Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o nome do Leftfielder quando o Shortstop era bill russell e o Second Baseman era steve sax em 1983?
 ###Tabelas: CREATE TABLE lowest_scoring_matches (lowest_scoring_matches_id AUTO_INCREMENT PRIMARY KEY, Total INT, Score VARCHAR, Winning Team VARCHAR, Losing Team VARCHAR, Venue VARCHAR, Date VARCHAR) CREATE TABLE sales_and_production_figures (sales_and_production_figures_id AUTO_INCREMENT PRIMARY KEY, Model VARCHAR, 1998 VARCHAR, 1999 VARCHAR, 2000 VARCHAR, 2001 VARCHAR, 2002 VARCHAR, 2003 VARCHAR, 2004 VARCHAR, 2005 VARCHAR, 2006 VARCHAR, 2007 VARCHAR, 2008 VARCHAR, 2009 VARCHAR, 2010 VARCHAR, 2011 VARCHAR) CREATE TABLE round_seven (round_seven_id AUTO_INCREMENT PRIMARY KEY, Pick # INT, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, NHL team VARCHAR, College/junior/club team VARCHAR) CREATE TABLE promoter (promoter_id AUTO_INCREMENT PRIMARY KEY, Detailed Family Information VARCHAR, From INT, To INT, Anchor INT, Orientation VARCHAR, Conserved in Mus Musculus VARCHAR, Matrix Sim VARCHAR, Sequence VARCHAR, Occurrence INT) CREATE TABLE opening_day_starting_lineups (opening_day_starting_lineups_id AUTO_INCREMENT PRIMARY KEY, Year INT, Catcher VARCHAR, First Baseman VARCHAR, Second Baseman VARCHAR, Shortstop VARCHAR, Third Baseman VARCHAR, Rightfielder VARCHAR, Centerfielder VARCHAR, Leftfielder VARCHAR, Starting Pitcher VARCHAR)  
SELECT Leftfielder FROM opening_day_starting_lineups WHERE Shortstop = bill russell AND Second Baseman = steve sax AND Year = 1983